RE: [PATCH 08/12] iommu/vt-d: Use cache_tag_flush_range() in cache_invalidate_user

[Tian, Kevin]

> From: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> Sent: Monday, March 25, 2024 10:17 AM
>
> @@ -166,9 +122,9 @@ static int intel_nested_cache_invalidate_user(struct
> iommu_domain *domain,
>  			break;
>  		}
> 
> -		intel_nested_flush_cache(dmar_domain, inv_entry.addr,
> -					 inv_entry.npages,
> -					 inv_entry.flags &
> IOMMU_VTD_INV_FLAGS_LEAF);
> +		cache_tag_flush_range(dmar_domain, inv_entry.addr,
> +				      inv_entry.npages,
> +				      inv_entry.flags &
> IOMMU_VTD_INV_FLAGS_LEAF);

the helper requires an 'end' address but 'npages' is incorrectly used here.